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Method of band multiplexing to improve system capacity for a multi-band communication system

a multi-band communication and multi-band technology, applied in the field of wireless communication, to achieve the effect of reducing or substantially eliminating symbol corruption

Inactive Publication Date: 2007-02-22
SOVEREIGN PEAK VENTURES LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0019] The present invention may also be embodied as a method of band multiplexing communications from the plurality of devices in the communication system. The method includes establishing a rotation, by each device, between or among a plurality of frequency bands for transmission, transmitting a symbol set from each device at each of the established transmission frequencies such that simultaneous transmissions by respective devices are at different transmission frequencies, determining whether a start of each respective symbol set for a respective device is corrupted and when the start of the symbol set is determined to be corrupted, adjusting a clock timing of the respective device to reduce or substantially eliminate symbol corruption in subsequently transmitted symbol sets of the respective device.

Problems solved by technology

One challenge for communication systems is dealing with interference caused by multiple SOPs that operate nearby.

Method used

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Embodiment Construction

[0037] Although the invention is illustrated and described herein with reference to specific embodiments, the invention is not intended to be limited to the details shown. Rather, various modifications may be made in the details within the scope and range of equivalents of the claims and without departing from the invention.

[0038] UWB communication systems, which may include UWB devices A, B and C are generally known in the art, for example, as illustrated and disclosed in U.S. application Ser. No. 10 / 751,366 invented by the Inventor of this application, and entitled “METHOD AND APPARATUS FOR RECOVERING DATA IN A RECEIVED CONVOLUTION-ENCODED DATA STREAM” and in an industry association standard entitled “Stand ECMA-368, High Rate Ultra Wideband PHY and MAC Standard, published December 2005.”

[0039] Although the present invention is described in terms of UWB communication systems, it may be applied to other communication systems such as non-UWB frequency-hopping and time-hopping commu...

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Abstract

A control method of synchronizing communications between or among a plurality of devices in a communication system includes detecting beacons from the plurality of devices in the communication system, establishing a reservation for at least a portion of the plurality of devices in the communication system, each reservation being a frame interval in which to transmit symbols from one device to one or more other devices in the communications system, determining, by each device, a time-frequency code for each of the other devices in the communication system according to the detected beacons from the other devices, adjusting a frequency band for transmission by a respective device according to the determined time-frequency code, and transmitting a plurality of symbols from the respective device using the adjusted frequency band.

Description

CROSS REFERENCE TO RELATED APPLICATION [0001] This U.S. patent application is a Continuation-In-Part of U.S. patent application Ser. No. 11 / 207,520, filed on Aug. 19, 2005 having Attorney Docket No. MATI-254US, and claims the benefit thereof. The contents of U.S. patent application Ser. No. 11 / 207,520 are herein incorporated by reference.FIELD OF THE INVENTION [0002] The present invention relates to the field of wireless communications and, more particularly, to a method of band multiplexing to improve system capacity for a multi-band communication system. BACKGROUND OF THE INVENTION [0003] Ultra Wideband (UWB) technology uses base-band pulses of very short duration to spread the energy of transmitted signals very thinly from near zero to several GHz. This technology is presently in use in military applications. Commercial applications will soon become possible due to a recent Federal Communications Commission (FCC) decision that permits the marketing and operation of consumer produ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04B7/00H04B15/00
CPCH04W56/00
Inventor MO, SHAOMIN SAMUELGELMAN, ALEXANDER D.
Owner SOVEREIGN PEAK VENTURES LLC
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